1622372 has 12 divisors (see below), whose sum is σ = 2988720. Its totient is φ = 768456.

The previous prime is 1622359. The next prime is 1622377. The reversal of 1622372 is 2732261.

It is not an unprimeable number, because it can be changed into a prime (1622377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10598 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (249060).

2^1622372 is an apocalyptic number.

It is an amenable number.

1622372 is a deficient number, since it is larger than the sum of its proper divisors (1366348).

1622372 is a wasteful number, since it uses less digits than its factorization.

1622372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21370 (or 21368 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 1622372 is about 1273.7236748997. The cubic root of 1622372 is about 117.5033226765.

The spelling of 1622372 in words is "one million, six hundred twenty-two thousand, three hundred seventy-two".